Odpowiedzi

2011-08-15T20:09:55+02:00

Cp=8%

mr=1000g

ms=?

mw=?

 

Cp=ms/mr * 100%    /*mr

Cp*mr=ms*100%     /:100%

ms=Cp*mr/100%

 

ms=8%*1000g/100%

ms=80g

 

mw=mr-ms

mw=1000g-80g

mw=920g wody